1991 Grand Prix of Canada
2 June - Montréal: 305.670km (4.430km x 69 laps)


Pole Position: Riccardo Patrese, Williams-Renault FW14, 1:19.837


Results
 1. Nelson Piquet          Benetton-Ford B191            1:38:51.490 (185.520 km/h)
 2. Stefano Modena         Tyrrell-Honda 020            -     31.832
 3. Riccardo Patrese       Williams-Renault FW14        -     42.217
 4. Andrea de Cesaris      Jordan-Ford 191              -   1:20.210
 5. Bertrand Gachot        Jordan-Ford 191              -   1:22.351
 6. Nigel Mansell          Williams-Renault FW14        -  1 lap (Gearbox/Engine)
 7. Pierluigi Martini      Minardi-Ferrari M191         -  1 lap
 8. Erik Comas             Ligier-Lamborghini JS35      -  1 lap
 9. Emanuele Pirro         Dallara-Judd 191             -  1 lap
10. Satoru Nakajima        Tyrrell-Honda 020            -  2 laps
    
Fastest lap: Nigel Mansell, 1:22.385 (193.579 km/h on lap 65)
    

Retirements    
    Mauricio Gugelmin      Leyton House-Ilmor CG911     -  8 laps (Engine)
    J.J. Lehto             Dallara-Judd 191             - 19 laps (Engine)
    Stefan Johansson       Footwork-Porsche FA12        - 21 laps (Gearbox)
    Ivan Capelli           Leyton House-Ilmor CG911     - 27 laps (Engine)
    Jean Alesi             Ferrari 642                  - 35 laps (Engine)
    Eric Bernard           Lola-Ford L91                - 40 laps (Transmission)
    Alain Prost            Ferrari 642                  - 42 laps (Gearbox)
    Thierry Boutsen        Ligier-Lamborghini JS35      - 42 laps (Engine)
    Ayrton Senna           McLaren-Honda MP4/6          - 44 laps (Alternator)
    Mika Häkkinen          Lotus-Judd 102B              - 48 laps (Spun)
    Martin Brundle         Brabham-Yamaha BT60Y         - 48 laps (Engine)
    Gianni Morbidelli      Minardi-Ferrari M191         - 49 laps (Spun)
    Roberto Moreno         Benetton-Ford B191           - 59 laps (Spun/Suspension)
    Gerhard Berger         McLaren-Honda MP4/6          - 65 laps (Injection)
    Aguri Suzuki           Lola-Ford L91                - 66 laps (Fuel leak/Fire)
    Michele Alboreto       Footwork-Porsche FA12        - 67 laps (Throttle jammed)
    
Did Not Qualify    
    Fabrizio Barbazza      AGS-Ford JH25
    Gabriele Tarquini      AGS-Ford JH25
    Mark Blundell          Brabham-Yamaha BT60Y
    Johnny Herbert         Lotus-Judd 102B
    
Did Not Pre-qualify    
    Olivier Grouillard     Fomet-Ford F1
    Nicola Larini          Lamborghini 291
    Eric van de Poele      Lamborghini 291
    Pedro Chaves           Coloni-Ford C4


    Race leaders:
    Nigel Mansell           1-68 (68 laps = 301.240 km)
    Nelson Piquet          69     (1 lap  =   4.430 km) 
-----------------------------------------------------------------------------    

                                Starting Grid

 1. Riccardo Patrese       Williams-Renault FW14         1:19.837 (199.757 km/h)
 2. Nigel Mansell          Williams-Renault FW14        -   0.388
 3. Ayrton Senna           McLaren-Honda MP4/6          -   0.481
 4. Alain Prost            Ferrari 642                  -   0.819
 5. Roberto Moreno         Benetton-Ford B191           -   0.849
 6. Gerhard Berger         McLaren-Honda MP4/6          -   1.079
 7. Jean Alesi             Ferrari 642                  -   1.390
 8. Nelson Piquet          Benetton-Ford B191           -   1.404
 9. Stefano Modena         Tyrrell-Honda 020            -   1.461
10. Emanuele Pirro         Dallara-Judd 191             -   2.027
11. Andrea de Cesaris      Jordan-Ford 191              -   2.317
12. Satoru Nakajima        Tyrrell-Honda 020            -   2.425
13. Ivan Capelli           Leyton House-Ilmor CG911     -   2.606
14. Bertrand Gachot        Jordan-Ford 191              -   2.759
15. Gianni Morbidelli      Minardi-Ferrari M191         -   3.156
16. Thierry Boutsen        Ligier-Lamborghini JS35      -   3.203
17. J.J. Lehto             Dallara-Judd 191             -   3.203
18. Pierluigi Martini      Minardi-Ferrari M191         -   3.288
19. Eric Bernard           Lola-Ford L91                -   3.423
20. Martin Brundle         Brabham-Yamaha BT60Y         -   3.679
21. Michele Alboreto       Footwork-Porsche FA12        -   3.692
22. Aguri Suzuki           Lola-Ford L91                -   3.748
23. Mauricio Gugelmin      Leyton House-Ilmor CG911     -   3.813
24. Mika Häkkinen          Lotus-Judd 102B              -   4.086
25. Stefan Johansson       Footwork-Porsche FA12        -   4.596
26. Erik Comas             Ligier-Lamborghini JS35      -   4.623
    
Did Not Qualify    
27. Fabrizio Barbazza      AGS-Ford JH25                -   4.654
28. Gabriele Tarquini      AGS-Ford JH25                -   4.816
29. Mark Blundell          Brabham-Yamaha BT60Y         -   4.824
30. Johnny Herbert         Lotus-Judd 102B              -   4.895

Did Not Pre-qualify
31. Olivier Grouillard     Fomet-Ford F1                -   4.958
32. Nicola Larini          Lamborghini 291              -   5.899
33. Eric van de Poele      Lamborghini 291              -   7.063
34. Pedro Chaves           Coloni-Ford C4               -  14.638